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/* This file is part of GNU Mailutils test suite
Copyright (C) 2020-2025 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdio.h>
#include <mailutils/mailutils.h>
char mem[1024] = "00000000\n"
"11111111\n"
"22222222\n"
"33333333\n";
static char pattern[] = { 'A', 'B' };
void
test1 (mu_stream_t str)
{
char buf[128];
size_t n;
MU_ASSERT (mu_stream_readline (str, buf, sizeof (buf), &n));
MU_ASSERT (mu_stream_seek (str, 2, MU_SEEK_SET, NULL));
MU_ASSERT (mu_stream_write (str, pattern, sizeof (pattern), NULL));
}
void
test2 (mu_stream_t str)
{
MU_ASSERT (mu_stream_flush (str));
}
void
test3 (mu_stream_t str)
{
MU_ASSERT (mu_stream_seek (str, strlen(mem), MU_SEEK_SET, NULL));
MU_ASSERT (mu_stream_write (str, pattern, sizeof (pattern), NULL));
}
void
test4 (mu_stream_t str)
{
MU_ASSERT (mu_stream_write (str, "ZZ\n", 3, NULL));
}
static struct test {
char *name;
void (*fun) (mu_stream_t str);
char *expect;
} test[] = {
{
"First pattern write",
test1,
"00000000\n"
"11111111\n"
"22222222\n"
"33333333\n"
},
{
"Flush",
test2,
"00AB0000\n"
"11111111\n"
"22222222\n"
"33333333\n"
},
{
"Second pattern write",
test3,
"00AB0000\n"
"11111111\n"
"22222222\n"
"33333333\n"
},
{
"Newline added",
test4,
"00AB0000\n"
"11111111\n"
"22222222\n"
"33333333\n"
"ABZZ\n"
},
{ NULL }
};
int
main(int argc, char **argv)
{
mu_stream_t str;
int i;
MU_ASSERT (mu_fixed_memory_stream_create (&str, mem, sizeof (mem),
MU_STREAM_RDWR));
MU_ASSERT (mu_stream_set_buffer (str, mu_buffer_line, 512));
for (i = 0; test[i].name; i++)
{
test[i].fun (str);
if (memcmp (mem, test[i].expect, strlen (test[i].expect)))
{
fprintf (stderr, "FAIL: %s\n", test[i].name);
fwrite (mem, 1, strlen (mem), stderr);
return 1;
}
}
return 0;
}
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